40073667 has 4 divisors (see below), whose sum is σ = 53431560. Its totient is φ = 26715776.

The previous prime is 40073653. The next prime is 40073711. The reversal of 40073667 is 76637004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40073667 - 2⁴ = 40073651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40073617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6678942 + ... + 6678947.

It is an arithmetic number, because the mean of its divisors is an integer number (13357890).

Almost surely, 2^40073667 is an apocalyptic number.

40073667 is a deficient number, since it is larger than the sum of its proper divisors (13357893).

40073667 is a wasteful number, since it uses less digits than its factorization.

40073667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13357892.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 40073667 is about 6330.3765290858. The cubic root of 40073667 is about 342.2050085785.

The spelling of 40073667 in words is "forty million, seventy-three thousand, six hundred sixty-seven".